<template>
  <div>
    <!--面包屑导航-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--    卡片视图区-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList">搜索</el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--      table表哥去-->
      <el-table :data="goodsList" style="width: 100%" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" width="500"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="60"></el-table-column>
        <el-table-column label="商品数量" prop="goods_number" width="60"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="60"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="160">
          <template slot-scope="scope">
            {{scope.row.add_time |dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--      分页功能展示区-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    name: "GoodsList",
    data() {
      return {
        //商品列表时护具
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        //商品列表数据
        goodsList: [],
        //总条数
        total: 0
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      async getGoodsList() {
        let {data: res} = await this.$http.get('goods', {
          params: this.queryInfo
        })
        console.log(res.data)
        if (res.meta.status !== 200) this.$message.error('获取商品列表失败')
        // this.$message.success('获取商品列表成功')
        this.goodsList = res.data.goods
        this.total = res.data.total
      },
      //  条数发生改变时
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      //第几页发生改变时
      handleCurrentChange(newNum) {
        this.queryInfo.pagenum = newNum
        this.getGoodsList()
      },
      //删除商品操作
      async removeById(id) {
        console.log(id)
        //删除钱先提醒用户
        let result = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        if (result !== 'confirm') {
          return this.$message.info("已经取消删除")
        }
        let {data: res} = await this.$http.delete(`goods/${id}`)
        if (res.meta.status !== 200) this.$message.error('删除商品失败')
        this.$message.success('删除商品成功')
        this.getGoodsList()
      },
      //跳转到添加商品页面
      goAddPage() {
        this.$router.push('/goods/add')
      }
    }
  }
</script>

<style scoped lang="less">
  .el-table {
    margin-top: 20px;
    text-align: center;
  }
</style>
